}
        return buf.toString();
    }

    /**
     * Sets the MIME type.
     * @param mimeType The MIME type.
     */
    public void setMimeType(final String mimeType) {
        this.mimeType = mimeType;
    }

        responseData.setUrl("http://example.com/document.pdf");
        assertEquals("http://example.com/document.pdf", responseData.getUrl());

        responseData.setMimeType("application/pdf");
        assertEquals("application/pdf", responseData.getMimeType());

        responseData.setCharSet("UTF-8");
        assertEquals("UTF-8", responseData.getCharSet());

            responseData.setExecutionTime(1000L);
            responseData.setHttpStatusCode(200);
            responseData.setLastModified(new Date());
            responseData.setMethod("GET");
            responseData.setMimeType("text/html");
            responseData.setParentUrl("http://fess.codelibs.org/");
            responseData.setResponseBody(data.getBytes());
            responseData.setSessionId("test-1");